The demands that the surrogate mother, also called gestational carrier, may make must be stipulated in the surrogacy contract. In any case, it is recommended to follow the doctor's indications, because as a specialist, it is the doctor who has studied the characteristics of her menstrual cycle and her endometrium. Therefore, he will know which treatment offers the greatest probability of pregnancy.
Read the full article on: Endometrium Preparation for Embryo Transfer: How does it work? ( 66).

Mark P. Trolice
MD, FACOG, FACS, FACE
Mark P. Trolice, M.D., FACOG, FACS, FACE is Director of Fertility CARE – The IVF Center and Clinical Associate Professor in the Department of Obstetrics & Gynecology (OB/GYN) at the University of Central Florida College of Medicine. He is Board-certified in REI and OB/GYN, and maintains annual recertification. His colleagues select him as Top Doctor in America® annually, one among the top 5% of doctors in the U.S.
Florida license: ME 78893